1285800669

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{490951}}^1$

素因数の和:491057

約数の個数: 16

約数和(自身を含む): 1924531840

約数和(自身を除く): 638731171

約数列:

[1, 3, 9, 27, 97, 291, 873, 2619, 490951, 1472853, 4418559, 13255677, 47622247, 142866741, 428600223, 1285800669]

約数ペア:

[(1, 1285800669), (3, 428600223), (9, 142866741), (27, 47622247), (97, 13255677), (291, 4418559), (873, 1472853), (2619, 490951)]